Samsung Gear S vs. Garmin 645 Music vs. Amazfit GTR vs. Apple Watch 7 vs. Fitbit Sense 2

 
Gear S
645 Music
GTR
Watch 7
Sense 2
 SamsungGear SRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$250$450$199$429$300
Release20132018201920212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days24 days18 Hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360240 x 240454 x 454396 x 484336x336
Size2 inches1.2 inches1.39 inches1.9 inches1.59 inches
Touch
TypeSuper AMOLEDMIPAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenBuild-inWatchOS 8
Apps
Music

All Wearables